When former Attorney General Loretta Lynch testified last year about her decision not to prosecute Hillary Clinton for mishandling classified information, she swore she never talked to “anyone” on the Clinton campaign. That categorical denial, though made in response to a series of questions about whether she spoke with Clintonworld about remaining attorney general if Hillary won the election, could come back to haunt her.

The Senate Judiciary Committee, which has launched a bipartisan investigation into Lynch for possible obstruction of justice, recently learned of the existence of a document indicating Lynch assured the political director of Clinton’s campaign she wouldn’t let FBI agents “go too far” in probing the former secretary of state.

Lynch’s lawyer says she is cooperating with committee investigators, who are seeking answers to several questions, as well as relevant documents. Among other things, they want to know if she or any of her Justice Department staff “ever communicated with Amanda Renteria,” who headed Clinton’s political operations during the campaign. Renteria, who has been identified in the document as the senior Clinton campaign aide with whom Lynch privately communicated, has also been asked to testify.